Matrix-forming machine.



G. S. WILLIAMSON. MATRIX FORMING MACHINE. APPLICATION FILED 0GT.10, 1907. v 948,677., Patented Feb.8,1910.

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TA/ESSES I uni/m WWI llereto fore it has 9 UNITED sTATas PATENT onnrcn GLENN s, WILLIAMSON, OF NEW YORK, N. Y., ASSIGNOR TO F. WESEL MANUFACTUR- ING COMPANY, OF BROOKLYN, NEW YORK, A coRPoRa'rIoN on NEW YORK.

MATRIX-FORMING MACHINE.

Speeification of Letters Patent.

Patented Feb. 8, 1910.

e Application filed October 10, 1907. Serial No. 396,728.

To all whom it may concern:

Be it known that'l, GLENN S. WILLIAM- soN, a citizen of the United States, and a resident of New York, borou h ofManhattan, in the county of New Y ork and State of New York, have made and invented certain new and useful Improvementsin Ma- .trixForming Machines, of which the following is a specification.

My invention relatesv to machines to be employed in the art of'printing, and more particularly to a machine designed for the making of a matrix from which to cast a stereotype plate for employment in aprinting press.

been customary to employ a device constructed much after the plan ofa copying or letter press the necessary pressure being imparted to the platen by the manual turningof a whe'elattached to the upper end of a screw, the'lower end being attached to the platen. This method,

' however, has proved objectionable by reason of the amount of labor and time consumed in practicing the, saine, requiring as it does several minutes to apply the pressure to the matrix and form, and subsequently releasing the same. by the reverse operation. It has also been attempted,but ith unsatisfactory results, to employ a device wherein a cylinder was located immediately above and over the platen, a piston rod being secured at one end to the piston contained within the cylinder and at theopposite end to the platen, the pressure from the cylinder being applied in suchwisedirectlyto the platen. The failure in this instance, however, has been due to the fact that sufiieie'nt pressure could not be obtained or exertednpon the platen exbersome cylinder.

cepting by the use of a very large, and cum- The object of my- .mvention' is to overcome the objections above noted and to provide a ,device which wil-lbe simple and compact in construction, easily,and readily operated, which'will be efi'ective in use, and by means of which a' great saving of time and labor I will be effected.

With these andother ends in view, ,I have designed my. improved forming machine to .be operated by pneumatic pressure, a small air compressor, tank and cylinder being located in the rear of the matrix tableand operated from the front of the latter, the piston rod being connected at one end to the piston in the cylinder, and at the opposite end to the end of the long arm of a lever, the shorter arm of the latter being linked to the upper end of the rod secured to the platen,

the result being that by so multiplying the leverage, the necessary pressure can be lmposed upon the platen to quickly and properly form the matrix.

The device further consists in certain novel features ofconstruction and combinations of parts, as will be hereinafter fully described and pointed out in the claims.

In the accompanying drawings, Figure 1 1s a view in perspective of my improved de vice. Flg. 2 is a plan view thereof, the air compressor and tank being omitted. Fig. 8

,isa sectional view taken on the line 3-3 of Flg. 2. Figs. 4 and 5 are sectional views of the three-way valve in its different positions.

Referring to the drawings, 6 represents a hollow table to be supplied by steam from any suitable source through the inlet pipe 7, said table being supported onthe legs or standards 8 and in front of which is located an apron table 9. To the steam table 6 is secured a frame consisting of the three legs or brackets 10, 11, 12, the two former extendinglengthwise across the table, and the latter bracket 12 extending rearwardly for the purpose hereinafter indicated. From the bracket lO-11 extends upwardly the post or support 13, to which is fulcrumed at l i the lever 15, the short arm 16 of which is connected to the upper end of the post 17 by means of the link 18, the lower end of said post being secured to the platen 19 located over the steam table 6.

To the bracket 12 is secured the cylinder 20 having contained therein the piston 21 to which latter is secured the lower end of the piston rod 22, the upper end being connected with the lon er arm 23 of the lever 15. The res eotive engtlis of the two arms 16and 23 0 the lever 15 will of course depend upon the amount of pressure to be exerted by the platen upon the matrix, those which I have, used with good results being At someconvenient place, preferably to the rear oft-he device, is located an air com- 100,000 pounds.

or edge of the supporting or apron table 9. From this valve 28 also leads the pipe 29 to the lower end of the cylinder 20, that is,

below the piston 21, and from the upper portion of the cylinder, that is, above the piston 21, leads the pipe 30 to the three-way valve 28, said valve being provided with a handle or lever 31. As shown in Figs. 1 and 5, this valve is provided with the two passages 3233, the valve casing 3 1 being provided with an outlet or exhaust 35.

When it is desired to form the matrix, the type form 36 with the paper 37, or other material from which it is desired to form the matrix, is placed upon the steam table 6 and below the platen 19. The handle or lever 31 is then so turned as to allow the air contained within the tank or reservoir 26 to flow through the'pipe 2T, three-way valve 28, through the passage 33, through the pipe 29 into the cylinder 20 below the )iston 21, the result being that the latter 1s forced upwardly, and by means of the lever 15 and rod 17, the platen 19 is lowered, the ressure thereof on the paper and type orm being continued until the matrix is properly formed and dried.

In those machines which I have practically used. with good results, it has been usual to maintain an air pressure in the tank or reservoir 26, say from 45 to lbs, a reducingvalve being employed in the piping connecting said tank or reservoir with the cylinder, in order that the pressure of air flowing from said tank to the cylinder shall be reduced to about 45 pounds and there maintained during the operation of the machine, the corresponding pressure exerted upon the platen by reason of the multiplication of leverage bcing'from about 75,000 to The time required in the formation of the matrix, that is, the time required to properly impress and dry the material, depends, of course,somewhat upon the pressure exerted thereon, that required in the machines which I have used in practice being from two to three minutes.

After the matrix has been properly formed and dried, the lever or han llc 31, which it will benoticed, is within convenient reach of the operator, is turned in the opposite direction, whereby the air passa es 32-33 in the three-way valve will be shil ted from the positions as illustrated in Fig. 5 to those illustrated in Fig. 4:, permitting the air in the cylinder 20 and below the piston 21 to flow through the pipe 29, passage 33, and out of the exhaust 35, and the air to how out of the tank 20, through the pipe 27, passage 32 and pipe 30 into the top of the cylinder 20 above the piston 21, thereby causin the latter to he forced downwardly and the platen 19 upwardly, whereupon the type Form 30 with the finished matrix 37, may be removed from the machine, the several parts of the latter occupying their normal positions, as illustrated in Fig. 1, and in dotted lines Fig. 3.

From the foregoing it will be understood that my invention is exceedingly simple in construction, and may be easily and readily operated with unskilled labor; that it is very eflectii e in operation,-a11d can be employed in the formation of a matrix either with or without first assing the type form and matrix blank un er the usual forming or compressing roll, the device being Capable of exerting any desired amount of pres sure by varying or altering the lengths of the longer or shorter arms of the lever 15, or by raising or lowering the air pressure. in the tank 26. Furthermore, by its use, I have found in practicethat the time required in the formation of the matrix may be reduced from one-half to two-thirds, and entirely eliminating the hand labor required in the use of the old screw press.

Itwill of course be understood that several changes maybe made in the detail construction and arrangement of the several parts from those shown and described, without departing from the-spirit and scope of my invention, as for instance, the location of the air compressor, tank and cylinders, the pipin etc. Again, it will be understood without illustration that instead of returning the parts to their normal positions by means of air pressure over and upon the piston 21, a spring may be employed, and hence I do notlimit the scope of my invention to such details, but:

Having fully described 'my invention, what- I claim as new and desire to secure by Letters Patent, is

1. An improved matrix-forming machine having in combination a table, a platen vertically disposed thereover. a frame secured to the table and consisting of three brackets, two of which extend lengthwise across the table while the third extends rcarwardly at substantially right-angles with the other brackets having a portion disposed parallel with the edge ofthe table, a post or support extending upwardly from the first-namcd brackets, a lever fulcrumcd between its ends to said post, .a link carried by a short arm of the lever and connected to the laten, a. fluid-pressure cylinder secured to the thirdnamed bracket, a piston operable in the cylinder having a rod connected with a long arm of the lever, and means for controlling "the admission of fluid-pressure to the cylinder.

2. In an apparatus for producing stcrcotypc matrices, the combination of a table, a platen vertically disposed thercovcr, a frame secured to the table and consisting of three upwardly extending mcmhcrs, two of which extend lcngtlntisc across the table while the third extends rearwardly at subguide and bearing for the upper'end of the stantially rightangles with the others, a stem of the platen, a lover ulorulned bepost or support extending upwardly from tween its ends to Said post so as to form it said frame, a lever fulcrumed between its long and short arm; a link disposed Subends to said post, a link carried by a short stantially vertically in line with the stem arm'of the lever and connected to the platen, of the platen having one end secured thereto a fluid-pressure cylinder secured to the rearand the other end secured to the short arm wardl-y extending member, a piston operable ofthe lever; a fluid pressure cylinder and in the cylinder having a rod connected with connections between the same and the long 1 a long arm of the levei', and means for conarm of the lever; circulating pipes for the trolling the admission of fluid-pressure to cylinder, and means located at a-distant,

the cylinder. a I point:for controlling the fluid supply to 3. In an apparatus for producing stereothe cylinder.

type matrices, the combination of a table, Signed at New York, borough of Mana vertically-operable platen having an uphattan, in the county of New York, and

wardly extending stem, an arched frame State of New York, this 9th day of October,

fixed to the table and extending transversely A. D. 1907. I

across the same said frame havin a post 1 T T extending vertically above its up per end GLEBB WILLIAM-SON and the central portion ot said: frame hav- Witnesses:

ing a part"extending horizontally in front M. VAN NORTWICK, of ,said post and provided with a vertical PARKER Coon.- 

